The EGW Marlin 39 scope base transforms your classic Marlin 39 lever-action rifle into a modern optic-ready platform without any gunsmithing. This one-piece Picatinny rail mounts directly to your receiver using the factory scope mount holes—no drilling, no tapping, no permanent modifications. If you've been hesitant to glass up your Marlin 39 because you didn't want to modify the gun, this base eliminates that barrier.
Built from precision-machined 6061 T6 aluminum, the EGW Marlin 39 scope base gives you genuine tactical-grade rigidity in a lightweight package. The milled center channel reduces weight without sacrificing strength, and the full-width Picatinny slots are gauged to MIL-STD 1913 specs (±.002"), so any modern scope ring—Picatinny or Weaver—will fit and function reliably. That flexibility means you can dial in your ideal eye relief and choose from virtually any ring setup without hunting for oddball mounts.
Installation is straightforward: the base ships with socket head Torx screws and the corresponding wrench. EGW recommends 20 inch-pounds of torque and a small dab of blue loctite on the fasteners. Once mounted, you'll have a solid, repeatable foundation for whatever optic your hunting or range session demands.
Key Features
- One-piece Picatinny rail mounts to factory holes—no drilling or tapping required
- 6061 T6 aluminum construction machined to precision tolerances
- Milled center channel for weight reduction
- MIL-STD 1913 compliant slots (±.002") accept any Picatinny or Weaver rings
- Includes socket head Torx screws and wrench
- Fast, simple adjustment of eye relief and scope positioning
Specifications
| Brand | EGW | |
| Product | Marlin 39 Scope Base | |
| Material | 6061 T6 Aluminum | |
| Rail Standard | Picatinny (MIL-STD 1913) | |
| Ring Compatibility | Picatinny or Weaver | |
| Slot Tolerance | ±.002" | |
| Installation | Factory receiver holes; no drilling or tapping | |
| Fasteners Included | Socket head Torx screws and wrench | |
| Recommended Torque | 20 inch-pounds |
Frequently Asked Questions
Will this scope base work on my Marlin 39?
Yes, the EGW Marlin 39 scope base is designed to mount directly to the factory scope mount holes on the Marlin 39 receiver without any drilling or tapping required.
What scope rings can I use with this base?
The base accepts both Picatinny and Weaver scope rings, giving you flexibility to choose from a wide range of modern optic mounts.
Do I need to modify my rifle to install this base?
No. The base mounts to the existing factory holes on your receiver, preserving the original condition of your rifle.
What's included in the package?
The EGW Marlin 39 scope base comes with socket head Torx screws and the wrench needed to install them. EGW recommends using blue loctite (not included) and torquing to 20 inch-pounds during installation.
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